package com.sky.controller.admin;

import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

@RestController
@Slf4j
@Api(tags = "通用文件上传接口")
public class UploadController {

    @Autowired
    private AliOssUtil aliOssUtil;

    @PostMapping("/admin/common/upload")
    @ApiOperation("文件上传")
    public Result<String> upload(@RequestBody MultipartFile file) {
        log.info("文件上传:{}",file);
        try {
//            // 避免文件覆盖
//            String originalFilename = file.getOriginalFilename();    //获取文件的原始名称
//            //originalFilename.substring(originalFilename.lastIndexOf(".") 获取文件的扩展名（即 . 之后的文件名）
//            String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

            //获取原始文件名
            String originalFilename = file.getOriginalFilename();
            //截取原始文件名的扩展名
            String extName = originalFilename.substring(originalFilename.lastIndexOf("."));
            //构建新文件名
            String fileName = UUID.randomUUID().toString() + extName;

            //上传文件到 OSS 并返回上传文件的访问路径
            String url = aliOssUtil.upload(file.getBytes(), fileName);
            return Result.success(url);
        } catch (IOException e) {
            log.error("文件上传失败:{}", e);
        }
        return Result.error(MessageConstant.UPLOAD_FAILED);
    }

}
